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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ----------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * BarRenderer.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ----------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2009, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Christian W. Zuckschwerdt;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Peter Kolb (patches 2497611, 2791407);<a name="line.34"></a>
<span class="sourceLineNo">035</span> *<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
<span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 14-Mar-2002 : Version 1 (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 23-May-2002 : Added tooltip generator to renderer (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 29-May-2002 : Moved tooltip generator to abstract super-class (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 25-Jun-2002 : Changed constructor to protected and removed redundant<a name="line.41"></a>
<span class="sourceLineNo">042</span> *               code (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 26-Jun-2002 : Added axis to initialise method, and record upper and lower<a name="line.43"></a>
<span class="sourceLineNo">044</span> *               clip values (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 24-Sep-2002 : Added getLegendItem() method (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 09-Oct-2002 : Modified constructor to include URL generator (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 05-Nov-2002 : Base dataset is now TableDataset not CategoryDataset (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 10-Jan-2003 : Moved get/setItemMargin() method up from subclasses (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 17-Jan-2003 : Moved plot classes into a separate package (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 25-Mar-2003 : Implemented Serializable (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 01-May-2003 : Modified clipping to allow for dual axes and datasets (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 12-May-2003 : Merged horizontal and vertical bar renderers (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 12-Jun-2003 : Updates for item labels (DG);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 30-Jul-2003 : Modified entity constructor (CZ);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 02-Sep-2003 : Changed initialise method to fix bug 790407 (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 07-Oct-2003 : Added renderer state (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 27-Oct-2003 : Merged drawHorizontalItem() and drawVerticalItem()<a name="line.58"></a>
<span class="sourceLineNo">059</span> *               methods (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 28-Oct-2003 : Added support for gradient paint on bars (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 14-Nov-2003 : Added 'maxBarWidth' attribute (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * 10-Feb-2004 : Small changes inside drawItem() method to ease cut-and-paste<a name="line.62"></a>
<span class="sourceLineNo">063</span> *               overriding (DG);<a name="line.63"></a>
<span class="sourceLineNo">064</span> * 19-Mar-2004 : Fixed bug introduced with separation of tool tip and item<a name="line.64"></a>
<span class="sourceLineNo">065</span> *               label generators.  Fixed equals() method (DG);<a name="line.65"></a>
<span class="sourceLineNo">066</span> * 11-May-2004 : Fix for null pointer exception (bug id 951127) (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 05-Nov-2004 : Modified drawItem() signature (DG);<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 26-Jan-2005 : Provided override for getLegendItem() method (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 20-Apr-2005 : Generate legend labels, tooltips and URLs (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * 18-May-2005 : Added configurable base value (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> * 09-Jun-2005 : Use addItemEntity() method from superclass (DG);<a name="line.71"></a>
<span class="sourceLineNo">072</span> * 01-Dec-2005 : Update legend item to use/not use outline (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * ------------: JFreeChart 1.0.x ---------------------------------------------<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 06-Dec-2005 : Fixed bug 1374222 (JDK 1.4 specific code) (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 11-Jan-2006 : Fixed bug 1401856 (bad rendering for non-zero base) (DG);<a name="line.75"></a>
<span class="sourceLineNo">076</span> * 04-Aug-2006 : Fixed bug 1467706 (missing item labels for zero value<a name="line.76"></a>
<span class="sourceLineNo">077</span> *               bars) (DG);<a name="line.77"></a>
<span class="sourceLineNo">078</span> * 04-Dec-2006 : Fixed bug in rendering to non-primary axis (DG);<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 13-Dec-2006 : Add support for GradientPaint display in legend items (DG);<a name="line.79"></a>
<span class="sourceLineNo">080</span> * 20-Apr-2007 : Updated getLegendItem() for renderer change (DG);<a name="line.80"></a>
<span class="sourceLineNo">081</span> * 11-May-2007 : Check for visibility in getLegendItem() (DG);<a name="line.81"></a>
<span class="sourceLineNo">082</span> * 17-May-2007 : Set datasetIndex and seriesIndex in getLegendItem() (DG);<a name="line.82"></a>
<span class="sourceLineNo">083</span> * 18-May-2007 : Set dataset and seriesKey for LegendItem (DG);<a name="line.83"></a>
<span class="sourceLineNo">084</span> * 07-May-2008 : If minimumBarLength is &gt; 0.0, extend the non-base end of the<a name="line.84"></a>
<span class="sourceLineNo">085</span> *               bar (DG);<a name="line.85"></a>
<span class="sourceLineNo">086</span> * 17-Jun-2008 : Apply legend shape, font and paint attributes (DG);<a name="line.86"></a>
<span class="sourceLineNo">087</span> * 24-Jun-2008 : Added barPainter mechanism (DG);<a name="line.87"></a>
<span class="sourceLineNo">088</span> * 26-Jun-2008 : Added crosshair support (DG);<a name="line.88"></a>
<span class="sourceLineNo">089</span> * 13-Aug-2008 : Added shadowPaint attribute (DG);<a name="line.89"></a>
<span class="sourceLineNo">090</span> * 14-Jan-2009 : Added support for seriesVisible flags (PK);<a name="line.90"></a>
<span class="sourceLineNo">091</span> * 03-Feb-2009 : Added defaultShadowsVisible flag - see patch 2511330 (PK);<a name="line.91"></a>
<span class="sourceLineNo">092</span> *<a name="line.92"></a>
<span class="sourceLineNo">093</span> */<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span>package org.jfree.chart.renderer.category;<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span>import java.awt.BasicStroke;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import java.awt.Color;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import java.awt.Font;<a name="line.99"></a>
<span class="sourceLineNo">100</span>import java.awt.Graphics2D;<a name="line.100"></a>
<span class="sourceLineNo">101</span>import java.awt.Paint;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import java.awt.Shape;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import java.awt.Stroke;<a name="line.103"></a>
<span class="sourceLineNo">104</span>import java.awt.geom.Line2D;<a name="line.104"></a>
<span class="sourceLineNo">105</span>import java.awt.geom.Point2D;<a name="line.105"></a>
<span class="sourceLineNo">106</span>import java.awt.geom.Rectangle2D;<a name="line.106"></a>
<span class="sourceLineNo">107</span>import java.io.IOException;<a name="line.107"></a>
<span class="sourceLineNo">108</span>import java.io.ObjectInputStream;<a name="line.108"></a>
<span class="sourceLineNo">109</span>import java.io.ObjectOutputStream;<a name="line.109"></a>
<span class="sourceLineNo">110</span>import java.io.Serializable;<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span>import org.jfree.chart.LegendItem;<a name="line.112"></a>
<span class="sourceLineNo">113</span>import org.jfree.chart.axis.CategoryAxis;<a name="line.113"></a>
<span class="sourceLineNo">114</span>import org.jfree.chart.axis.ValueAxis;<a name="line.114"></a>
<span class="sourceLineNo">115</span>import org.jfree.chart.entity.EntityCollection;<a name="line.115"></a>
<span class="sourceLineNo">116</span>import org.jfree.chart.event.RendererChangeEvent;<a name="line.116"></a>
<span class="sourceLineNo">117</span>import org.jfree.chart.labels.CategoryItemLabelGenerator;<a name="line.117"></a>
<span class="sourceLineNo">118</span>import org.jfree.chart.labels.ItemLabelAnchor;<a name="line.118"></a>
<span class="sourceLineNo">119</span>import org.jfree.chart.labels.ItemLabelPosition;<a name="line.119"></a>
<span class="sourceLineNo">120</span>import org.jfree.chart.plot.CategoryPlot;<a name="line.120"></a>
<span class="sourceLineNo">121</span>import org.jfree.chart.plot.PlotOrientation;<a name="line.121"></a>
<span class="sourceLineNo">122</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.122"></a>
<span class="sourceLineNo">123</span>import org.jfree.data.Range;<a name="line.123"></a>
<span class="sourceLineNo">124</span>import org.jfree.data.category.CategoryDataset;<a name="line.124"></a>
<span class="sourceLineNo">125</span>import org.jfree.io.SerialUtilities;<a name="line.125"></a>
<span class="sourceLineNo">126</span>import org.jfree.text.TextUtilities;<a name="line.126"></a>
<span class="sourceLineNo">127</span>import org.jfree.ui.GradientPaintTransformer;<a name="line.127"></a>
<span class="sourceLineNo">128</span>import org.jfree.ui.RectangleEdge;<a name="line.128"></a>
<span class="sourceLineNo">129</span>import org.jfree.ui.StandardGradientPaintTransformer;<a name="line.129"></a>
<span class="sourceLineNo">130</span>import org.jfree.util.ObjectUtilities;<a name="line.130"></a>
<span class="sourceLineNo">131</span>import org.jfree.util.PaintUtilities;<a name="line.131"></a>
<span class="sourceLineNo">132</span>import org.jfree.util.PublicCloneable;<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>
<span class="sourceLineNo">134</span>/**<a name="line.134"></a>
<span class="sourceLineNo">135</span> * A {@link CategoryItemRenderer} that draws individual data items as bars.<a name="line.135"></a>
<span class="sourceLineNo">136</span> * The example shown here is generated by the &lt;code&gt;BarChartDemo1.java&lt;/code&gt;<a name="line.136"></a>
<span class="sourceLineNo">137</span> * program included in the JFreeChart Demo Collection:<a name="line.137"></a>
<span class="sourceLineNo">138</span> * &lt;br&gt;&lt;br&gt;<a name="line.138"></a>
<span class="sourceLineNo">139</span> * &lt;img src="../../../../../images/BarRendererSample.png"<a name="line.139"></a>
<span class="sourceLineNo">140</span> * alt="BarRendererSample.png" /&gt;<a name="line.140"></a>
<span class="sourceLineNo">141</span> */<a name="line.141"></a>
<span class="sourceLineNo">142</span>public class BarRenderer extends AbstractCategoryItemRenderer<a name="line.142"></a>
<span class="sourceLineNo">143</span>        implements Cloneable, PublicCloneable, Serializable {<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span>    /** For serialization. */<a name="line.145"></a>
<span class="sourceLineNo">146</span>    private static final long serialVersionUID = 6000649414965887481L;<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span>    /** The default item margin percentage. */<a name="line.148"></a>
<span class="sourceLineNo">149</span>    public static final double DEFAULT_ITEM_MARGIN = 0.20;<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>    /**<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * Constant that controls the minimum width before a bar has an outline<a name="line.152"></a>
<span class="sourceLineNo">153</span>     * drawn.<a name="line.153"></a>
<span class="sourceLineNo">154</span>     */<a name="line.154"></a>
<span class="sourceLineNo">155</span>    public static final double BAR_OUTLINE_WIDTH_THRESHOLD = 3.0;<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span>    /**<a name="line.157"></a>
<span class="sourceLineNo">158</span>     * The default bar painter assigned to each new instance of this renderer.<a name="line.158"></a>
<span class="sourceLineNo">159</span>     *<a name="line.159"></a>
<span class="sourceLineNo">160</span>     * @since 1.0.11<a name="line.160"></a>
<span class="sourceLineNo">161</span>     */<a name="line.161"></a>
<span class="sourceLineNo">162</span>    private static BarPainter defaultBarPainter = new GradientBarPainter();<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span>    /**<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * Returns the default bar painter.<a name="line.165"></a>
<span class="sourceLineNo">166</span>     *<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * @return The default bar painter.<a name="line.167"></a>
<span class="sourceLineNo">168</span>     *<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * @since 1.0.11<a name="line.169"></a>
<span class="sourceLineNo">170</span>     */<a name="line.170"></a>
<span class="sourceLineNo">171</span>    public static BarPainter getDefaultBarPainter() {<a name="line.171"></a>
<span class="sourceLineNo">172</span>        return BarRenderer.defaultBarPainter;<a name="line.172"></a>
<span class="sourceLineNo">173</span>    }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>    /**<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * Sets the default bar painter.<a name="line.176"></a>
<span class="sourceLineNo">177</span>     *<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * @param painter  the painter (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.178"></a>
<span class="sourceLineNo">179</span>     *<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * @since 1.0.11<a name="line.180"></a>
<span class="sourceLineNo">181</span>     */<a name="line.181"></a>
<span class="sourceLineNo">182</span>    public static void setDefaultBarPainter(BarPainter painter) {<a name="line.182"></a>
<span class="sourceLineNo">183</span>        if (painter == null) {<a name="line.183"></a>
<span class="sourceLineNo">184</span>            throw new IllegalArgumentException("Null 'painter' argument.");<a name="line.184"></a>
<span class="sourceLineNo">185</span>        }<a name="line.185"></a>
<span class="sourceLineNo">186</span>        BarRenderer.defaultBarPainter = painter;<a name="line.186"></a>
<span class="sourceLineNo">187</span>    }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    /**<a name="line.189"></a>
<span class="sourceLineNo">190</span>     * The default value for the initialisation of the shadowsVisible flag.<a name="line.190"></a>
<span class="sourceLineNo">191</span>     */<a name="line.191"></a>
<span class="sourceLineNo">192</span>    private static boolean defaultShadowsVisible = true;<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span>    /**<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * Returns the default value for the &lt;code&gt;shadowsVisible&lt;/code&gt; flag.<a name="line.195"></a>
<span class="sourceLineNo">196</span>     *<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * @return A boolean.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     *<a name="line.198"></a>
<span class="sourceLineNo">199</span>     * @see #setDefaultShadowsVisible(boolean)<a name="line.199"></a>
<span class="sourceLineNo">200</span>     *<a name="line.200"></a>
<span class="sourceLineNo">201</span>     * @since 1.0.13<a name="line.201"></a>
<span class="sourceLineNo">202</span>     */<a name="line.202"></a>
<span class="sourceLineNo">203</span>    public static boolean getDefaultShadowsVisible() {<a name="line.203"></a>
<span class="sourceLineNo">204</span>        return BarRenderer.defaultShadowsVisible;<a name="line.204"></a>
<span class="sourceLineNo">205</span>    }<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span>    /**<a name="line.207"></a>
<span class="sourceLineNo">208</span>     * Sets the default value for the shadows visible flag.<a name="line.208"></a>
<span class="sourceLineNo">209</span>     *<a name="line.209"></a>
<span class="sourceLineNo">210</span>     * @param visible  the new value for the default.<a name="line.210"></a>
<span class="sourceLineNo">211</span>     *<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * @see #getDefaultShadowsVisible()<a name="line.212"></a>
<span class="sourceLineNo">213</span>     *<a name="line.213"></a>
<span class="sourceLineNo">214</span>     * @since 1.0.13<a name="line.214"></a>
<span class="sourceLineNo">215</span>     */<a name="line.215"></a>
<span class="sourceLineNo">216</span>    public static void setDefaultShadowsVisible(boolean visible) {<a name="line.216"></a>
<span class="sourceLineNo">217</span>        BarRenderer.defaultShadowsVisible = visible;<a name="line.217"></a>
<span class="sourceLineNo">218</span>    }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>    /** The margin between items (bars) within a category. */<a name="line.220"></a>
<span class="sourceLineNo">221</span>    private double itemMargin;<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>    /** A flag that controls whether or not bar outlines are drawn. */<a name="line.223"></a>
<span class="sourceLineNo">224</span>    private boolean drawBarOutline;<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span>    /** The maximum bar width as a percentage of the available space. */<a name="line.226"></a>
<span class="sourceLineNo">227</span>    private double maximumBarWidth;<a name="line.227"></a>
<span class="sourceLineNo">228</span><a name="line.228"></a>
<span class="sourceLineNo">229</span>    /** The minimum bar length (in Java2D units). */<a name="line.229"></a>
<span class="sourceLineNo">230</span>    private double minimumBarLength;<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span>    /**<a name="line.232"></a>
<span class="sourceLineNo">233</span>     * An optional class used to transform gradient paint objects to fit each<a name="line.233"></a>
<span class="sourceLineNo">234</span>     * bar.<a name="line.234"></a>
<span class="sourceLineNo">235</span>     */<a name="line.235"></a>
<span class="sourceLineNo">236</span>    private GradientPaintTransformer gradientPaintTransformer;<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span>    /**<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * The fallback position if a positive item label doesn't fit inside the<a name="line.239"></a>
<span class="sourceLineNo">240</span>     * bar.<a name="line.240"></a>
<span class="sourceLineNo">241</span>     */<a name="line.241"></a>
<span class="sourceLineNo">242</span>    private ItemLabelPosition positiveItemLabelPositionFallback;<a name="line.242"></a>
<span class="sourceLineNo">243</span><a name="line.243"></a>
<span class="sourceLineNo">244</span>    /**<a name="line.244"></a>
<span class="sourceLineNo">245</span>     * The fallback position if a negative item label doesn't fit inside the<a name="line.245"></a>
<span class="sourceLineNo">246</span>     * bar.<a name="line.246"></a>
<span class="sourceLineNo">247</span>     */<a name="line.247"></a>
<span class="sourceLineNo">248</span>    private ItemLabelPosition negativeItemLabelPositionFallback;<a name="line.248"></a>
<span class="sourceLineNo">249</span><a name="line.249"></a>
<span class="sourceLineNo">250</span>    /** The upper clip (axis) value for the axis. */<a name="line.250"></a>
<span class="sourceLineNo">251</span>    private double upperClip;<a name="line.251"></a>
<span class="sourceLineNo">252</span>    // TODO:  this needs to move into the renderer state<a name="line.252"></a>
<span class="sourceLineNo">253</span><a name="line.253"></a>
<span class="sourceLineNo">254</span>    /** The lower clip (axis) value for the axis. */<a name="line.254"></a>
<span class="sourceLineNo">255</span>    private double lowerClip;<a name="line.255"></a>
<span class="sourceLineNo">256</span>    // TODO:  this needs to move into the renderer state<a name="line.256"></a>
<span class="sourceLineNo">257</span><a name="line.257"></a>
<span class="sourceLineNo">258</span>    /** The base value for the bars (defaults to 0.0). */<a name="line.258"></a>
<span class="sourceLineNo">259</span>    private double base;<a name="line.259"></a>
<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
<span class="sourceLineNo">262</span>     * A flag that controls whether the base value is included in the range<a name="line.262"></a>
<span class="sourceLineNo">263</span>     * returned by the findRangeBounds() method.<a name="line.263"></a>
<span class="sourceLineNo">264</span>     */<a name="line.264"></a>
<span class="sourceLineNo">265</span>    private boolean includeBaseInRange;<a name="line.265"></a>
<span class="sourceLineNo">266</span><a name="line.266"></a>
<span class="sourceLineNo">267</span>    /**<a name="line.267"></a>
<span class="sourceLineNo">268</span>     * The bar painter (never &lt;code&gt;null&lt;/code&gt;).<a name="line.268"></a>
<span class="sourceLineNo">269</span>     *<a name="line.269"></a>
<span class="sourceLineNo">270</span>     * @since 1.0.11<a name="line.270"></a>
<span class="sourceLineNo">271</span>     */<a name="line.271"></a>
<span class="sourceLineNo">272</span>    private BarPainter barPainter;<a name="line.272"></a>
<span class="sourceLineNo">273</span><a name="line.273"></a>
<span class="sourceLineNo">274</span>    /**<a name="line.274"></a>
<span class="sourceLineNo">275</span>     * The flag that controls whether or not shadows are drawn for the bars.<a name="line.275"></a>
<span class="sourceLineNo">276</span>     *<a name="line.276"></a>
<span class="sourceLineNo">277</span>     * @since 1.0.11<a name="line.277"></a>
<span class="sourceLineNo">278</span>     */<a name="line.278"></a>
<span class="sourceLineNo">279</span>    private boolean shadowsVisible;<a name="line.279"></a>
<span class="sourceLineNo">280</span><a name="line.280"></a>
<span class="sourceLineNo">281</span>    /**<a name="line.281"></a>
<span class="sourceLineNo">282</span>     * The shadow paint.<a name="line.282"></a>
<span class="sourceLineNo">283</span>     *<a name="line.283"></a>
<span class="sourceLineNo">284</span>     * @since 1.0.11<a name="line.284"></a>
<span class="sourceLineNo">285</span>     */<a name="line.285"></a>
<span class="sourceLineNo">286</span>    private transient Paint shadowPaint;<a name="line.286"></a>
<span class="sourceLineNo">287</span><a name="line.287"></a>
<span class="sourceLineNo">288</span>    /**<a name="line.288"></a>
<span class="sourceLineNo">289</span>     * The x-offset for the shadow effect.<a name="line.289"></a>
<span class="sourceLineNo">290</span>     *<a name="line.290"></a>
<span class="sourceLineNo">291</span>     * @since 1.0.11<a name="line.291"></a>
<span class="sourceLineNo">292</span>     */<a name="line.292"></a>
<span class="sourceLineNo">293</span>    private double shadowXOffset;<a name="line.293"></a>
<span class="sourceLineNo">294</span><a name="line.294"></a>
<span class="sourceLineNo">295</span>    /**<a name="line.295"></a>
<span class="sourceLineNo">296</span>     * The y-offset for the shadow effect.<a name="line.296"></a>
<span class="sourceLineNo">297</span>     *<a name="line.297"></a>
<span class="sourceLineNo">298</span>     * @since 1.0.11<a name="line.298"></a>
<span class="sourceLineNo">299</span>     */<a name="line.299"></a>
<span class="sourceLineNo">300</span>    private double shadowYOffset;<a name="line.300"></a>
<span class="sourceLineNo">301</span><a name="line.301"></a>
<span class="sourceLineNo">302</span>    /**<a name="line.302"></a>
<span class="sourceLineNo">303</span>     * Creates a new bar renderer with default settings.<a name="line.303"></a>
<span class="sourceLineNo">304</span>     */<a name="line.304"></a>
<span class="sourceLineNo">305</span>    public BarRenderer() {<a name="line.305"></a>
<span class="sourceLineNo">306</span>        super();<a name="line.306"></a>
<span class="sourceLineNo">307</span>        this.base = 0.0;<a name="line.307"></a>
<span class="sourceLineNo">308</span>        this.includeBaseInRange = true;<a name="line.308"></a>
<span class="sourceLineNo">309</span>        this.itemMargin = DEFAULT_ITEM_MARGIN;<a name="line.309"></a>
<span class="sourceLineNo">310</span>        this.drawBarOutline = false;<a name="line.310"></a>
<span class="sourceLineNo">311</span>        this.maximumBarWidth = 1.0;<a name="line.311"></a>
<span class="sourceLineNo">312</span>            // 100 percent, so it will not apply unless changed<a name="line.312"></a>
<span class="sourceLineNo">313</span>        this.positiveItemLabelPositionFallback = null;<a name="line.313"></a>
<span class="sourceLineNo">314</span>        this.negativeItemLabelPositionFallback = null;<a name="line.314"></a>
<span class="sourceLineNo">315</span>        this.gradientPaintTransformer = new StandardGradientPaintTransformer();<a name="line.315"></a>
<span class="sourceLineNo">316</span>        this.minimumBarLength = 0.0;<a name="line.316"></a>
<span class="sourceLineNo">317</span>        setBaseLegendShape(new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0));<a name="line.317"></a>
<span class="sourceLineNo">318</span>        this.barPainter = getDefaultBarPainter();<a name="line.318"></a>
<span class="sourceLineNo">319</span>        this.shadowsVisible = getDefaultShadowsVisible();<a name="line.319"></a>
<span class="sourceLineNo">320</span>        this.shadowPaint = Color.gray;<a name="line.320"></a>
<span class="sourceLineNo">321</span>        this.shadowXOffset = 4.0;<a name="line.321"></a>
<span class="sourceLineNo">322</span>        this.shadowYOffset = 4.0;<a name="line.322"></a>
<span class="sourceLineNo">323</span>    }<a name="line.323"></a>
<span class="sourceLineNo">324</span><a name="line.324"></a>
<span class="sourceLineNo">325</span>    /**<a name="line.325"></a>
<span class="sourceLineNo">326</span>     * Returns the base value for the bars.  The default value is<a name="line.326"></a>
<span class="sourceLineNo">327</span>     * &lt;code&gt;0.0&lt;/code&gt;.<a name="line.327"></a>
<span class="sourceLineNo">328</span>     *<a name="line.328"></a>
<span class="sourceLineNo">329</span>     * @return The base value for the bars.<a name="line.329"></a>
<span class="sourceLineNo">330</span>     *<a name="line.330"></a>
<span class="sourceLineNo">331</span>     * @see #setBase(double)<a name="line.331"></a>
<span class="sourceLineNo">332</span>     */<a name="line.332"></a>
<span class="sourceLineNo">333</span>    public double getBase() {<a name="line.333"></a>
<span class="sourceLineNo">334</span>        return this.base;<a name="line.334"></a>
<span class="sourceLineNo">335</span>    }<a name="line.335"></a>
<span class="sourceLineNo">336</span><a name="line.336"></a>
<span class="sourceLineNo">337</span>    /**<a name="line.337"></a>
<span class="sourceLineNo">338</span>     * Sets the base value for the bars and sends a {@link RendererChangeEvent}<a name="line.338"></a>
<span class="sourceLineNo">339</span>     * to all registered listeners.<a name="line.339"></a>
<span class="sourceLineNo">340</span>     *<a name="line.340"></a>
<span class="sourceLineNo">341</span>     * @param base  the new base value.<a name="line.341"></a>
<span class="sourceLineNo">342</span>     *<a name="line.342"></a>
<span class="sourceLineNo">343</span>     * @see #getBase()<a name="line.343"></a>
<span class="sourceLineNo">344</span>     */<a name="line.344"></a>
<span class="sourceLineNo">345</span>    public void setBase(double base) {<a name="line.345"></a>
<span class="sourceLineNo">346</span>        this.base = base;<a name="line.346"></a>
<span class="sourceLineNo">347</span>        fireChangeEvent();<a name="line.347"></a>
<span class="sourceLineNo">348</span>    }<a name="line.348"></a>
<span class="sourceLineNo">349</span><a name="line.349"></a>
<span class="sourceLineNo">350</span>    /**<a name="line.350"></a>
<span class="sourceLineNo">351</span>     * Returns the item margin as a percentage of the available space for all<a name="line.351"></a>
<span class="sourceLineNo">352</span>     * bars.<a name="line.352"></a>
<span class="sourceLineNo">353</span>     *<a name="line.353"></a>
<span class="sourceLineNo">354</span>     * @return The margin percentage (where 0.10 is ten percent).<a name="line.354"></a>
<span class="sourceLineNo">355</span>     *<a name="line.355"></a>
<span class="sourceLineNo">356</span>     * @see #setItemMargin(double)<a name="line.356"></a>
<span class="sourceLineNo">357</span>     */<a name="line.357"></a>
<span class="sourceLineNo">358</span>    public double getItemMargin() {<a name="line.358"></a>
<span class="sourceLineNo">359</span>        return this.itemMargin;<a name="line.359"></a>
<span class="sourceLineNo">360</span>    }<a name="line.360"></a>
<span class="sourceLineNo">361</span><a name="line.361"></a>
<span class="sourceLineNo">362</span>    /**<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * Sets the item margin and sends a {@link RendererChangeEvent} to all<a name="line.363"></a>
<span class="sourceLineNo">364</span>     * registered listeners.  The value is expressed as a percentage of the<a name="line.364"></a>
<span class="sourceLineNo">365</span>     * available width for plotting all the bars, with the resulting amount to<a name="line.365"></a>
<span class="sourceLineNo">366</span>     * be distributed between all the bars evenly.<a name="line.366"></a>
<span class="sourceLineNo">367</span>     *<a name="line.367"></a>
<span class="sourceLineNo">368</span>     * @param percent  the margin (where 0.10 is ten percent).<a name="line.368"></a>
<span class="sourceLineNo">369</span>     *<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * @see #getItemMargin()<a name="line.370"></a>
<span class="sourceLineNo">371</span>     */<a name="line.371"></a>
<span class="sourceLineNo">372</span>    public void setItemMargin(double percent) {<a name="line.372"></a>
<span class="sourceLineNo">373</span>        this.itemMargin = percent;<a name="line.373"></a>
<span class="sourceLineNo">374</span>        fireChangeEvent();<a name="line.374"></a>
<span class="sourceLineNo">375</span>    }<a name="line.375"></a>
<span class="sourceLineNo">376</span><a name="line.376"></a>
<span class="sourceLineNo">377</span>    /**<a name="line.377"></a>
<span class="sourceLineNo">378</span>     * Returns a flag that controls whether or not bar outlines are drawn.<a name="line.378"></a>
<span class="sourceLineNo">379</span>     *<a name="line.379"></a>
<span class="sourceLineNo">380</span>     * @return A boolean.<a name="line.380"></a>
<span class="sourceLineNo">381</span>     *<a name="line.381"></a>
<span class="sourceLineNo">382</span>     * @see #setDrawBarOutline(boolean)<a name="line.382"></a>
<span class="sourceLineNo">383</span>     */<a name="line.383"></a>
<span class="sourceLineNo">384</span>    public boolean isDrawBarOutline() {<a name="line.384"></a>
<span class="sourceLineNo">385</span>        return this.drawBarOutline;<a name="line.385"></a>
<span class="sourceLineNo">386</span>    }<a name="line.386"></a>
<span class="sourceLineNo">387</span><a name="line.387"></a>
<span class="sourceLineNo">388</span>    /**<a name="line.388"></a>
<span class="sourceLineNo">389</span>     * Sets the flag that controls whether or not bar outlines are drawn and<a name="line.389"></a>
<span class="sourceLineNo">390</span>     * sends a {@link RendererChangeEvent} to all registered listeners.<a name="line.390"></a>
<span class="sourceLineNo">391</span>     *<a name="line.391"></a>
<span class="sourceLineNo">392</span>     * @param draw  the flag.<a name="line.392"></a>
<span class="sourceLineNo">393</span>     *<a name="line.393"></a>
<span class="sourceLineNo">394</span>     * @see #isDrawBarOutline()<a name="line.394"></a>
<span class="sourceLineNo">395</span>     */<a name="line.395"></a>
<span class="sourceLineNo">396</span>    public void setDrawBarOutline(boolean draw) {<a name="line.396"></a>
<span class="sourceLineNo">397</span>        this.drawBarOutline = draw;<a name="line.397"></a>
<span class="sourceLineNo">398</span>        fireChangeEvent();<a name="line.398"></a>
<span class="sourceLineNo">399</span>    }<a name="line.399"></a>
<span class="sourceLineNo">400</span><a name="line.400"></a>
<span class="sourceLineNo">401</span>    /**<a name="line.401"></a>
<span class="sourceLineNo">402</span>     * Returns the maximum bar width, as a percentage of the available drawing<a name="line.402"></a>
<span class="sourceLineNo">403</span>     * space.<a name="line.403"></a>
<span class="sourceLineNo">404</span>     *<a name="line.404"></a>
<span class="sourceLineNo">405</span>     * @return The maximum bar width.<a name="line.405"></a>
<span class="sourceLineNo">406</span>     *<a name="line.406"></a>
<span class="sourceLineNo">407</span>     * @see #setMaximumBarWidth(double)<a name="line.407"></a>
<span class="sourceLineNo">408</span>     */<a name="line.408"></a>
<span class="sourceLineNo">409</span>    public double getMaximumBarWidth() {<a name="line.409"></a>
<span class="sourceLineNo">410</span>        return this.maximumBarWidth;<a name="line.410"></a>
<span class="sourceLineNo">411</span>    }<a name="line.411"></a>
<span class="sourceLineNo">412</span><a name="line.412"></a>
<span class="sourceLineNo">413</span>    /**<a name="line.413"></a>
<span class="sourceLineNo">414</span>     * Sets the maximum bar width, which is specified as a percentage of the<a name="line.414"></a>
<span class="sourceLineNo">415</span>     * available space for all bars, and sends a {@link RendererChangeEvent} to<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * all registered listeners.<a name="line.416"></a>
<span class="sourceLineNo">417</span>     *<a name="line.417"></a>
<span class="sourceLineNo">418</span>     * @param percent  the percent (where 0.05 is five percent).<a name="line.418"></a>
<span class="sourceLineNo">419</span>     *<a name="line.419"></a>
<span class="sourceLineNo">420</span>     * @see #getMaximumBarWidth()<a name="line.420"></a>
<span class="sourceLineNo">421</span>     */<a name="line.421"></a>
<span class="sourceLineNo">422</span>    public void setMaximumBarWidth(double percent) {<a name="line.422"></a>
<span class="sourceLineNo">423</span>        this.maximumBarWidth = percent;<a name="line.423"></a>
<span class="sourceLineNo">424</span>        fireChangeEvent();<a name="line.424"></a>
<span class="sourceLineNo">425</span>    }<a name="line.425"></a>
<span class="sourceLineNo">426</span><a name="line.426"></a>
<span class="sourceLineNo">427</span>    /**<a name="line.427"></a>
<span class="sourceLineNo">428</span>     * Returns the minimum bar length (in Java2D units).  The default value is<a name="line.428"></a>
<span class="sourceLineNo">429</span>     * 0.0.<a name="line.429"></a>
<span class="sourceLineNo">430</span>     *<a name="line.430"></a>
<span class="sourceLineNo">431</span>     * @return The minimum bar length.<a name="line.431"></a>
<span class="sourceLineNo">432</span>     *<a name="line.432"></a>
<span class="sourceLineNo">433</span>     * @see #setMinimumBarLength(double)<a name="line.433"></a>
<span class="sourceLineNo">434</span>     */<a name="line.434"></a>
<span class="sourceLineNo">435</span>    public double getMinimumBarLength() {<a name="line.435"></a>
<span class="sourceLineNo">436</span>        return this.minimumBarLength;<a name="line.436"></a>
<span class="sourceLineNo">437</span>    }<a name="line.437"></a>
<span class="sourceLineNo">438</span><a name="line.438"></a>
<span class="sourceLineNo">439</span>    /**<a name="line.439"></a>
<span class="sourceLineNo">440</span>     * Sets the minimum bar length and sends a {@link RendererChangeEvent} to<a name="line.440"></a>
<span class="sourceLineNo">441</span>     * all registered listeners.  The minimum bar length is specified in Java2D<a name="line.441"></a>
<span class="sourceLineNo">442</span>     * units, and can be used to prevent bars that represent very small data<a name="line.442"></a>
<span class="sourceLineNo">443</span>     * values from disappearing when drawn on the screen.  Typically you would<a name="line.443"></a>
<span class="sourceLineNo">444</span>     * set this to (say) 0.5 or 1.0 Java 2D units.  Use this attribute with<a name="line.444"></a>
<span class="sourceLineNo">445</span>     * caution, however, because setting it to a non-zero value will<a name="line.445"></a>
<span class="sourceLineNo">446</span>     * artificially increase the length of bars representing small values,<a name="line.446"></a>
<span class="sourceLineNo">447</span>     * which may misrepresent your data.<a name="line.447"></a>
<span class="sourceLineNo">448</span>     *<a name="line.448"></a>
<span class="sourceLineNo">449</span>     * @param min  the minimum bar length (in Java2D units, must be &gt;= 0.0).<a name="line.449"></a>
<span class="sourceLineNo">450</span>     *<a name="line.450"></a>
<span class="sourceLineNo">451</span>     * @see #getMinimumBarLength()<a name="line.451"></a>
<span class="sourceLineNo">452</span>     */<a name="line.452"></a>
<span class="sourceLineNo">453</span>    public void setMinimumBarLength(double min) {<a name="line.453"></a>
<span class="sourceLineNo">454</span>        if (min &lt; 0.0) {<a name="line.454"></a>
<span class="sourceLineNo">455</span>            throw new IllegalArgumentException("Requires 'min' &gt;= 0.0");<a name="line.455"></a>
<span class="sourceLineNo">456</span>        }<a name="line.456"></a>
<span class="sourceLineNo">457</span>        this.minimumBarLength = min;<a name="line.457"></a>
<span class="sourceLineNo">458</span>        fireChangeEvent();<a name="line.458"></a>
<span class="sourceLineNo">459</span>    }<a name="line.459"></a>
<span class="sourceLineNo">460</span><a name="line.460"></a>
<span class="sourceLineNo">461</span>    /**<a name="line.461"></a>
<span class="sourceLineNo">462</span>     * Returns the gradient paint transformer (an object used to transform<a name="line.462"></a>
<span class="sourceLineNo">463</span>     * gradient paint objects to fit each bar).<a name="line.463"></a>
<span class="sourceLineNo">464</span>     *<a name="line.464"></a>
<span class="sourceLineNo">465</span>     * @return A transformer (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.465"></a>
<span class="sourceLineNo">466</span>     *<a name="line.466"></a>
<span class="sourceLineNo">467</span>     * @see #setGradientPaintTransformer(GradientPaintTransformer)<a name="line.467"></a>
<span class="sourceLineNo">468</span>     */<a name="line.468"></a>
<span class="sourceLineNo">469</span>    public GradientPaintTransformer getGradientPaintTransformer() {<a name="line.469"></a>
<span class="sourceLineNo">470</span>        return this.gradientPaintTransformer;<a name="line.470"></a>
<span class="sourceLineNo">471</span>    }<a name="line.471"></a>
<span class="sourceLineNo">472</span><a name="line.472"></a>
<span class="sourceLineNo">473</span>    /**<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * Sets the gradient paint transformer and sends a<a name="line.474"></a>
<span class="sourceLineNo">475</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.475"></a>
<span class="sourceLineNo">476</span>     *<a name="line.476"></a>
<span class="sourceLineNo">477</span>     * @param transformer  the transformer (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.477"></a>
<span class="sourceLineNo">478</span>     *<a name="line.478"></a>
<span class="sourceLineNo">479</span>     * @see #getGradientPaintTransformer()<a name="line.479"></a>
<span class="sourceLineNo">480</span>     */<a name="line.480"></a>
<span class="sourceLineNo">481</span>    public void setGradientPaintTransformer(<a name="line.481"></a>
<span class="sourceLineNo">482</span>            GradientPaintTransformer transformer) {<a name="line.482"></a>
<span class="sourceLineNo">483</span>        this.gradientPaintTransformer = transformer;<a name="line.483"></a>
<span class="sourceLineNo">484</span>        fireChangeEvent();<a name="line.484"></a>
<span class="sourceLineNo">485</span>    }<a name="line.485"></a>
<span class="sourceLineNo">486</span><a name="line.486"></a>
<span class="sourceLineNo">487</span>    /**<a name="line.487"></a>
<span class="sourceLineNo">488</span>     * Returns the fallback position for positive item labels that don't fit<a name="line.488"></a>
<span class="sourceLineNo">489</span>     * within a bar.<a name="line.489"></a>
<span class="sourceLineNo">490</span>     *<a name="line.490"></a>
<span class="sourceLineNo">491</span>     * @return The fallback position (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.491"></a>
<span class="sourceLineNo">492</span>     *<a name="line.492"></a>
<span class="sourceLineNo">493</span>     * @see #setPositiveItemLabelPositionFallback(ItemLabelPosition)<a name="line.493"></a>
<span class="sourceLineNo">494</span>     */<a name="line.494"></a>
<span class="sourceLineNo">495</span>    public ItemLabelPosition getPositiveItemLabelPositionFallback() {<a name="line.495"></a>
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<span class="sourceLineNo">498</span><a name="line.498"></a>
<span class="sourceLineNo">499</span>    /**<a name="line.499"></a>
<span class="sourceLineNo">500</span>     * Sets the fallback position for positive item labels that don't fit<a name="line.500"></a>
<span class="sourceLineNo">501</span>     * within a bar, and sends a {@link RendererChangeEvent} to all registered<a name="line.501"></a>
<span class="sourceLineNo">502</span>     * listeners.<a name="line.502"></a>
<span class="sourceLineNo">503</span>     *<a name="line.503"></a>
<span class="sourceLineNo">504</span>     * @param position  the position (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.504"></a>
<span class="sourceLineNo">505</span>     *<a name="line.505"></a>
<span class="sourceLineNo">506</span>     * @see #getPositiveItemLabelPositionFallback()<a name="line.506"></a>
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<span class="sourceLineNo">511</span>        fireChangeEvent();<a name="line.511"></a>
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<span class="sourceLineNo">513</span><a name="line.513"></a>
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<span class="sourceLineNo">515</span>     * Returns the fallback position for negative item labels that don't fit<a name="line.515"></a>
<span class="sourceLineNo">516</span>     * within a bar.<a name="line.516"></a>
<span class="sourceLineNo">517</span>     *<a name="line.517"></a>
<span class="sourceLineNo">518</span>     * @return The fallback position (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.518"></a>
<span class="sourceLineNo">519</span>     *<a name="line.519"></a>
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<span class="sourceLineNo">527</span>     * Sets the fallback position for negative item labels that don't fit<a name="line.527"></a>
<span class="sourceLineNo">528</span>     * within a bar, and sends a {@link RendererChangeEvent} to all registered<a name="line.528"></a>
<span class="sourceLineNo">529</span>     * listeners.<a name="line.529"></a>
<span class="sourceLineNo">530</span>     *<a name="line.530"></a>
<span class="sourceLineNo">531</span>     * @param position  the position (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.531"></a>
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<span class="sourceLineNo">533</span>     * @see #getNegativeItemLabelPositionFallback()<a name="line.533"></a>
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<span class="sourceLineNo">540</span><a name="line.540"></a>
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<span class="sourceLineNo">542</span>     * Returns the flag that controls whether or not the base value for the<a name="line.542"></a>
<span class="sourceLineNo">543</span>     * bars is included in the range calculated by<a name="line.543"></a>
<span class="sourceLineNo">544</span>     * {@link #findRangeBounds(CategoryDataset)}.<a name="line.544"></a>
<span class="sourceLineNo">545</span>     *<a name="line.545"></a>
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<span class="sourceLineNo">549</span>     * @since 1.0.1<a name="line.549"></a>
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<span class="sourceLineNo">551</span>     * @see #setIncludeBaseInRange(boolean)<a name="line.551"></a>
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<span class="sourceLineNo">556</span><a name="line.556"></a>
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<span class="sourceLineNo">558</span>     * Sets the flag that controls whether or not the base value for the bars<a name="line.558"></a>
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<span class="sourceLineNo">560</span>     * {@link #findRangeBounds(CategoryDataset)}.  If the flag is changed,<a name="line.560"></a>
<span class="sourceLineNo">561</span>     * a {@link RendererChangeEvent} is sent to all registered listeners.<a name="line.561"></a>
<span class="sourceLineNo">562</span>     *<a name="line.562"></a>
<span class="sourceLineNo">563</span>     * @param include  the new value for the flag.<a name="line.563"></a>
<span class="sourceLineNo">564</span>     *<a name="line.564"></a>
<span class="sourceLineNo">565</span>     * @since 1.0.1<a name="line.565"></a>
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<span class="sourceLineNo">567</span>     * @see #getIncludeBaseInRange()<a name="line.567"></a>
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<span class="sourceLineNo">575</span><a name="line.575"></a>
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<span class="sourceLineNo">577</span>     * Returns the bar painter.<a name="line.577"></a>
<span class="sourceLineNo">578</span>     *<a name="line.578"></a>
<span class="sourceLineNo">579</span>     * @return The bar painter (never &lt;code&gt;null&lt;/code&gt;).<a name="line.579"></a>
<span class="sourceLineNo">580</span>     *<a name="line.580"></a>
<span class="sourceLineNo">581</span>     * @see #setBarPainter(BarPainter)<a name="line.581"></a>
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<span class="sourceLineNo">583</span>     * @since 1.0.11<a name="line.583"></a>
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<span class="sourceLineNo">590</span>     * Sets the bar painter for this renderer and sends a<a name="line.590"></a>
<span class="sourceLineNo">591</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.591"></a>
<span class="sourceLineNo">592</span>     *<a name="line.592"></a>
<span class="sourceLineNo">593</span>     * @param painter  the painter (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.593"></a>
<span class="sourceLineNo">594</span>     *<a name="line.594"></a>
<span class="sourceLineNo">595</span>     * @see #getBarPainter()<a name="line.595"></a>
<span class="sourceLineNo">596</span>     *<a name="line.596"></a>
<span class="sourceLineNo">597</span>     * @since 1.0.11<a name="line.597"></a>
<span class="sourceLineNo">598</span>     */<a name="line.598"></a>
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<span class="sourceLineNo">604</span>        fireChangeEvent();<a name="line.604"></a>
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<span class="sourceLineNo">606</span><a name="line.606"></a>
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<span class="sourceLineNo">608</span>     * Returns the flag that controls whether or not shadows are drawn for<a name="line.608"></a>
<span class="sourceLineNo">609</span>     * the bars.<a name="line.609"></a>
<span class="sourceLineNo">610</span>     *<a name="line.610"></a>
<span class="sourceLineNo">611</span>     * @return A boolean.<a name="line.611"></a>
<span class="sourceLineNo">612</span>     *<a name="line.612"></a>
<span class="sourceLineNo">613</span>     * @since 1.0.11<a name="line.613"></a>
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<span class="sourceLineNo">618</span><a name="line.618"></a>
<span class="sourceLineNo">619</span>    /**<a name="line.619"></a>
<span class="sourceLineNo">620</span>     * Sets the flag that controls whether or not shadows are<a name="line.620"></a>
<span class="sourceLineNo">621</span>     * drawn by the renderer.<a name="line.621"></a>
<span class="sourceLineNo">622</span>     *<a name="line.622"></a>
<span class="sourceLineNo">623</span>     * @param visible  the new flag value.<a name="line.623"></a>
<span class="sourceLineNo">624</span>     *<a name="line.624"></a>
<span class="sourceLineNo">625</span>     * @since 1.0.11<a name="line.625"></a>
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<span class="sourceLineNo">632</span>    /**<a name="line.632"></a>
<span class="sourceLineNo">633</span>     * Returns the shadow paint.<a name="line.633"></a>
<span class="sourceLineNo">634</span>     *<a name="line.634"></a>
<span class="sourceLineNo">635</span>     * @return The shadow paint.<a name="line.635"></a>
<span class="sourceLineNo">636</span>     *<a name="line.636"></a>
<span class="sourceLineNo">637</span>     * @see #setShadowPaint(Paint)<a name="line.637"></a>
<span class="sourceLineNo">638</span>     *<a name="line.638"></a>
<span class="sourceLineNo">639</span>     * @since 1.0.11<a name="line.639"></a>
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<span class="sourceLineNo">644</span><a name="line.644"></a>
<span class="sourceLineNo">645</span>    /**<a name="line.645"></a>
<span class="sourceLineNo">646</span>     * Sets the shadow paint and sends a {@link RendererChangeEvent} to all<a name="line.646"></a>
<span class="sourceLineNo">647</span>     * registered listeners.<a name="line.647"></a>
<span class="sourceLineNo">648</span>     *<a name="line.648"></a>
<span class="sourceLineNo">649</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.649"></a>
<span class="sourceLineNo">650</span>     *<a name="line.650"></a>
<span class="sourceLineNo">651</span>     * @see #getShadowPaint()<a name="line.651"></a>
<span class="sourceLineNo">652</span>     *<a name="line.652"></a>
<span class="sourceLineNo">653</span>     * @since 1.0.11<a name="line.653"></a>
<span class="sourceLineNo">654</span>     */<a name="line.654"></a>
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<span class="sourceLineNo">659</span>        this.shadowPaint = paint;<a name="line.659"></a>
<span class="sourceLineNo">660</span>        fireChangeEvent();<a name="line.660"></a>
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<span class="sourceLineNo">662</span><a name="line.662"></a>
<span class="sourceLineNo">663</span>    /**<a name="line.663"></a>
<span class="sourceLineNo">664</span>     * Returns the shadow x-offset.<a name="line.664"></a>
<span class="sourceLineNo">665</span>     *<a name="line.665"></a>
<span class="sourceLineNo">666</span>     * @return The shadow x-offset.<a name="line.666"></a>
<span class="sourceLineNo">667</span>     *<a name="line.667"></a>
<span class="sourceLineNo">668</span>     * @since 1.0.11<a name="line.668"></a>
<span class="sourceLineNo">669</span>     */<a name="line.669"></a>
<span class="sourceLineNo">670</span>    public double getShadowXOffset() {<a name="line.670"></a>
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<span class="sourceLineNo">673</span><a name="line.673"></a>
<span class="sourceLineNo">674</span>    /**<a name="line.674"></a>
<span class="sourceLineNo">675</span>     * Sets the x-offset for the bar shadow and sends a<a name="line.675"></a>
<span class="sourceLineNo">676</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.676"></a>
<span class="sourceLineNo">677</span>     *<a name="line.677"></a>
<span class="sourceLineNo">678</span>     * @param offset  the offset.<a name="line.678"></a>
<span class="sourceLineNo">679</span>     *<a name="line.679"></a>
<span class="sourceLineNo">680</span>     * @since 1.0.11<a name="line.680"></a>
<span class="sourceLineNo">681</span>     */<a name="line.681"></a>
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<span class="sourceLineNo">684</span>        fireChangeEvent();<a name="line.684"></a>
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<span class="sourceLineNo">686</span><a name="line.686"></a>
<span class="sourceLineNo">687</span>    /**<a name="line.687"></a>
<span class="sourceLineNo">688</span>     * Returns the shadow y-offset.<a name="line.688"></a>
<span class="sourceLineNo">689</span>     *<a name="line.689"></a>
<span class="sourceLineNo">690</span>     * @return The shadow y-offset.<a name="line.690"></a>
<span class="sourceLineNo">691</span>     *<a name="line.691"></a>
<span class="sourceLineNo">692</span>     * @since 1.0.11<a name="line.692"></a>
<span class="sourceLineNo">693</span>     */<a name="line.693"></a>
<span class="sourceLineNo">694</span>    public double getShadowYOffset() {<a name="line.694"></a>
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<span class="sourceLineNo">697</span><a name="line.697"></a>
<span class="sourceLineNo">698</span>    /**<a name="line.698"></a>
<span class="sourceLineNo">699</span>     * Sets the y-offset for the bar shadow and sends a<a name="line.699"></a>
<span class="sourceLineNo">700</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.700"></a>
<span class="sourceLineNo">701</span>     *<a name="line.701"></a>
<span class="sourceLineNo">702</span>     * @param offset  the offset.<a name="line.702"></a>
<span class="sourceLineNo">703</span>     *<a name="line.703"></a>
<span class="sourceLineNo">704</span>     * @since 1.0.11<a name="line.704"></a>
<span class="sourceLineNo">705</span>     */<a name="line.705"></a>
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<span class="sourceLineNo">708</span>        fireChangeEvent();<a name="line.708"></a>
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<span class="sourceLineNo">710</span><a name="line.710"></a>
<span class="sourceLineNo">711</span>    /**<a name="line.711"></a>
<span class="sourceLineNo">712</span>     * Returns the lower clip value.  This value is recalculated in the<a name="line.712"></a>
<span class="sourceLineNo">713</span>     * initialise() method.<a name="line.713"></a>
<span class="sourceLineNo">714</span>     *<a name="line.714"></a>
<span class="sourceLineNo">715</span>     * @return The value.<a name="line.715"></a>
<span class="sourceLineNo">716</span>     */<a name="line.716"></a>
<span class="sourceLineNo">717</span>    public double getLowerClip() {<a name="line.717"></a>
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<span class="sourceLineNo">719</span>        return this.lowerClip;<a name="line.719"></a>
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<span class="sourceLineNo">721</span><a name="line.721"></a>
<span class="sourceLineNo">722</span>    /**<a name="line.722"></a>
<span class="sourceLineNo">723</span>     * Returns the upper clip value.  This value is recalculated in the<a name="line.723"></a>
<span class="sourceLineNo">724</span>     * initialise() method.<a name="line.724"></a>
<span class="sourceLineNo">725</span>     *<a name="line.725"></a>
<span class="sourceLineNo">726</span>     * @return The value.<a name="line.726"></a>
<span class="sourceLineNo">727</span>     */<a name="line.727"></a>
<span class="sourceLineNo">728</span>    public double getUpperClip() {<a name="line.728"></a>
<span class="sourceLineNo">729</span>        // TODO:  this attribute should be transferred to the renderer state.<a name="line.729"></a>
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<span class="sourceLineNo">732</span><a name="line.732"></a>
<span class="sourceLineNo">733</span>    /**<a name="line.733"></a>
<span class="sourceLineNo">734</span>     * Initialises the renderer and returns a state object that will be passed<a name="line.734"></a>
<span class="sourceLineNo">735</span>     * to subsequent calls to the drawItem method.  This method gets called<a name="line.735"></a>
<span class="sourceLineNo">736</span>     * once at the start of the process of drawing a chart.<a name="line.736"></a>
<span class="sourceLineNo">737</span>     *<a name="line.737"></a>
<span class="sourceLineNo">738</span>     * @param g2  the graphics device.<a name="line.738"></a>
<span class="sourceLineNo">739</span>     * @param dataArea  the area in which the data is to be plotted.<a name="line.739"></a>
<span class="sourceLineNo">740</span>     * @param plot  the plot.<a name="line.740"></a>
<span class="sourceLineNo">741</span>     * @param rendererIndex  the renderer index.<a name="line.741"></a>
<span class="sourceLineNo">742</span>     * @param info  collects chart rendering information for return to caller.<a name="line.742"></a>
<span class="sourceLineNo">743</span>     *<a name="line.743"></a>
<span class="sourceLineNo">744</span>     * @return The renderer state.<a name="line.744"></a>
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<span class="sourceLineNo">747</span>                                                Rectangle2D dataArea,<a name="line.747"></a>
<span class="sourceLineNo">748</span>                                                CategoryPlot plot,<a name="line.748"></a>
<span class="sourceLineNo">749</span>                                                int rendererIndex,<a name="line.749"></a>
<span class="sourceLineNo">750</span>                                                PlotRenderingInfo info) {<a name="line.750"></a>
<span class="sourceLineNo">751</span><a name="line.751"></a>
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<span class="sourceLineNo">754</span><a name="line.754"></a>
<span class="sourceLineNo">755</span>        // get the clipping values...<a name="line.755"></a>
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<span class="sourceLineNo">758</span>        this.upperClip = rangeAxis.getRange().getUpperBound();<a name="line.758"></a>
<span class="sourceLineNo">759</span><a name="line.759"></a>
<span class="sourceLineNo">760</span>        // calculate the bar width<a name="line.760"></a>
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<span class="sourceLineNo">762</span><a name="line.762"></a>
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<span class="sourceLineNo">768</span>     * Calculates the bar width and stores it in the renderer state.<a name="line.768"></a>
<span class="sourceLineNo">769</span>     *<a name="line.769"></a>
<span class="sourceLineNo">770</span>     * @param plot  the plot.<a name="line.770"></a>
<span class="sourceLineNo">771</span>     * @param dataArea  the data area.<a name="line.771"></a>
<span class="sourceLineNo">772</span>     * @param rendererIndex  the renderer index.<a name="line.772"></a>
<span class="sourceLineNo">773</span>     * @param state  the renderer state.<a name="line.773"></a>
<span class="sourceLineNo">774</span>     */<a name="line.774"></a>
<span class="sourceLineNo">775</span>    protected void calculateBarWidth(CategoryPlot plot,<a name="line.775"></a>
<span class="sourceLineNo">776</span>                                     Rectangle2D dataArea,<a name="line.776"></a>
<span class="sourceLineNo">777</span>                                     int rendererIndex,<a name="line.777"></a>
<span class="sourceLineNo">778</span>                                     CategoryItemRendererState state) {<a name="line.778"></a>
<span class="sourceLineNo">779</span><a name="line.779"></a>
<span class="sourceLineNo">780</span>        CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);<a name="line.780"></a>
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<span class="sourceLineNo">782</span>        if (dataset != null) {<a name="line.782"></a>
<span class="sourceLineNo">783</span>            int columns = dataset.getColumnCount();<a name="line.783"></a>
<span class="sourceLineNo">784</span>            int rows = state.getVisibleSeriesCount() &gt;= 0<a name="line.784"></a>
<span class="sourceLineNo">785</span>                    ? state.getVisibleSeriesCount() : dataset.getRowCount();<a name="line.785"></a>
<span class="sourceLineNo">786</span>            double space = 0.0;<a name="line.786"></a>
<span class="sourceLineNo">787</span>            PlotOrientation orientation = plot.getOrientation();<a name="line.787"></a>
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<span class="sourceLineNo">789</span>                space = dataArea.getHeight();<a name="line.789"></a>
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<span class="sourceLineNo">792</span>                space = dataArea.getWidth();<a name="line.792"></a>
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<span class="sourceLineNo">794</span>            double maxWidth = space * getMaximumBarWidth();<a name="line.794"></a>
<span class="sourceLineNo">795</span>            double categoryMargin = 0.0;<a name="line.795"></a>
<span class="sourceLineNo">796</span>            double currentItemMargin = 0.0;<a name="line.796"></a>
<span class="sourceLineNo">797</span>            if (columns &gt; 1) {<a name="line.797"></a>
<span class="sourceLineNo">798</span>                categoryMargin = domainAxis.getCategoryMargin();<a name="line.798"></a>
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<span class="sourceLineNo">803</span>            double used = space * (1 - domainAxis.getLowerMargin()<a name="line.803"></a>
<span class="sourceLineNo">804</span>                                     - domainAxis.getUpperMargin()<a name="line.804"></a>
<span class="sourceLineNo">805</span>                                     - categoryMargin - currentItemMargin);<a name="line.805"></a>
<span class="sourceLineNo">806</span>            if ((rows * columns) &gt; 0) {<a name="line.806"></a>
<span class="sourceLineNo">807</span>                state.setBarWidth(Math.min(used / (rows * columns), maxWidth));<a name="line.807"></a>
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<span class="sourceLineNo">810</span>                state.setBarWidth(Math.min(used, maxWidth));<a name="line.810"></a>
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<span class="sourceLineNo">816</span>     * Calculates the coordinate of the first "side" of a bar.  This will be<a name="line.816"></a>
<span class="sourceLineNo">817</span>     * the minimum x-coordinate for a vertical bar, and the minimum<a name="line.817"></a>
<span class="sourceLineNo">818</span>     * y-coordinate for a horizontal bar.<a name="line.818"></a>
<span class="sourceLineNo">819</span>     *<a name="line.819"></a>
<span class="sourceLineNo">820</span>     * @param plot  the plot.<a name="line.820"></a>
<span class="sourceLineNo">821</span>     * @param orientation  the plot orientation.<a name="line.821"></a>
<span class="sourceLineNo">822</span>     * @param dataArea  the data area.<a name="line.822"></a>
<span class="sourceLineNo">823</span>     * @param domainAxis  the domain axis.<a name="line.823"></a>
<span class="sourceLineNo">824</span>     * @param state  the renderer state (has the bar width precalculated).<a name="line.824"></a>
<span class="sourceLineNo">825</span>     * @param row  the row index.<a name="line.825"></a>
<span class="sourceLineNo">826</span>     * @param column  the column index.<a name="line.826"></a>
<span class="sourceLineNo">827</span>     *<a name="line.827"></a>
<span class="sourceLineNo">828</span>     * @return The coordinate.<a name="line.828"></a>
<span class="sourceLineNo">829</span>     */<a name="line.829"></a>
<span class="sourceLineNo">830</span>    protected double calculateBarW0(CategoryPlot plot,<a name="line.830"></a>
<span class="sourceLineNo">831</span>                                    PlotOrientation orientation,<a name="line.831"></a>
<span class="sourceLineNo">832</span>                                    Rectangle2D dataArea,<a name="line.832"></a>
<span class="sourceLineNo">833</span>                                    CategoryAxis domainAxis,<a name="line.833"></a>
<span class="sourceLineNo">834</span>                                    CategoryItemRendererState state,<a name="line.834"></a>
<span class="sourceLineNo">835</span>                                    int row,<a name="line.835"></a>
<span class="sourceLineNo">836</span>                                    int column) {<a name="line.836"></a>
<span class="sourceLineNo">837</span>        // calculate bar width...<a name="line.837"></a>
<span class="sourceLineNo">838</span>        double space = 0.0;<a name="line.838"></a>
<span class="sourceLineNo">839</span>        if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.839"></a>
<span class="sourceLineNo">840</span>            space = dataArea.getHeight();<a name="line.840"></a>
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<span class="sourceLineNo">842</span>        else {<a name="line.842"></a>
<span class="sourceLineNo">843</span>            space = dataArea.getWidth();<a name="line.843"></a>
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<span class="sourceLineNo">845</span>        double barW0 = domainAxis.getCategoryStart(column, getColumnCount(),<a name="line.845"></a>
<span class="sourceLineNo">846</span>                dataArea, plot.getDomainAxisEdge());<a name="line.846"></a>
<span class="sourceLineNo">847</span>        int seriesCount = state.getVisibleSeriesCount() &gt;= 0<a name="line.847"></a>
<span class="sourceLineNo">848</span>                ? state.getVisibleSeriesCount() : getRowCount();<a name="line.848"></a>
<span class="sourceLineNo">849</span>        int categoryCount = getColumnCount();<a name="line.849"></a>
<span class="sourceLineNo">850</span>        if (seriesCount &gt; 1) {<a name="line.850"></a>
<span class="sourceLineNo">851</span>            double seriesGap = space * getItemMargin()<a name="line.851"></a>
<span class="sourceLineNo">852</span>                               / (categoryCount * (seriesCount - 1));<a name="line.852"></a>
<span class="sourceLineNo">853</span>            double seriesW = calculateSeriesWidth(space, domainAxis,<a name="line.853"></a>
<span class="sourceLineNo">854</span>                    categoryCount, seriesCount);<a name="line.854"></a>
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<span class="sourceLineNo">856</span>                          + (seriesW / 2.0) - (state.getBarWidth() / 2.0);<a name="line.856"></a>
<span class="sourceLineNo">857</span>        }<a name="line.857"></a>
<span class="sourceLineNo">858</span>        else {<a name="line.858"></a>
<span class="sourceLineNo">859</span>            barW0 = domainAxis.getCategoryMiddle(column, getColumnCount(),<a name="line.859"></a>
<span class="sourceLineNo">860</span>                    dataArea, plot.getDomainAxisEdge()) - state.getBarWidth()<a name="line.860"></a>
<span class="sourceLineNo">861</span>                    / 2.0;<a name="line.861"></a>
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<span class="sourceLineNo">865</span><a name="line.865"></a>
<span class="sourceLineNo">866</span>    /**<a name="line.866"></a>
<span class="sourceLineNo">867</span>     * Calculates the coordinates for the length of a single bar.<a name="line.867"></a>
<span class="sourceLineNo">868</span>     *<a name="line.868"></a>
<span class="sourceLineNo">869</span>     * @param value  the value represented by the bar.<a name="line.869"></a>
<span class="sourceLineNo">870</span>     *<a name="line.870"></a>
<span class="sourceLineNo">871</span>     * @return The coordinates for each end of the bar (or &lt;code&gt;null&lt;/code&gt; if<a name="line.871"></a>
<span class="sourceLineNo">872</span>     *         the bar is not visible for the current axis range).<a name="line.872"></a>
<span class="sourceLineNo">873</span>     */<a name="line.873"></a>
<span class="sourceLineNo">874</span>    protected double[] calculateBarL0L1(double value) {<a name="line.874"></a>
<span class="sourceLineNo">875</span>        double lclip = getLowerClip();<a name="line.875"></a>
<span class="sourceLineNo">876</span>        double uclip = getUpperClip();<a name="line.876"></a>
<span class="sourceLineNo">877</span>        double barLow = Math.min(this.base, value);<a name="line.877"></a>
<span class="sourceLineNo">878</span>        double barHigh = Math.max(this.base, value);<a name="line.878"></a>
<span class="sourceLineNo">879</span>        if (barHigh &lt; lclip) {  // bar is not visible<a name="line.879"></a>
<span class="sourceLineNo">880</span>            return null;<a name="line.880"></a>
<span class="sourceLineNo">881</span>        }<a name="line.881"></a>
<span class="sourceLineNo">882</span>        if (barLow &gt; uclip) {   // bar is not visible<a name="line.882"></a>
<span class="sourceLineNo">883</span>            return null;<a name="line.883"></a>
<span class="sourceLineNo">884</span>        }<a name="line.884"></a>
<span class="sourceLineNo">885</span>        barLow = Math.max(barLow, lclip);<a name="line.885"></a>
<span class="sourceLineNo">886</span>        barHigh = Math.min(barHigh, uclip);<a name="line.886"></a>
<span class="sourceLineNo">887</span>        return new double[] {barLow, barHigh};<a name="line.887"></a>
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<span class="sourceLineNo">889</span><a name="line.889"></a>
<span class="sourceLineNo">890</span>    /**<a name="line.890"></a>
<span class="sourceLineNo">891</span>     * Returns the range of values the renderer requires to display all the<a name="line.891"></a>
<span class="sourceLineNo">892</span>     * items from the specified dataset.  This takes into account the range<a name="line.892"></a>
<span class="sourceLineNo">893</span>     * of values in the dataset, plus the flag that determines whether or not<a name="line.893"></a>
<span class="sourceLineNo">894</span>     * the base value for the bars should be included in the range.<a name="line.894"></a>
<span class="sourceLineNo">895</span>     *<a name="line.895"></a>
<span class="sourceLineNo">896</span>     * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.896"></a>
<span class="sourceLineNo">897</span>     * @param includeInterval  include the interval if the dataset has one?<a name="line.897"></a>
<span class="sourceLineNo">898</span>     *<a name="line.898"></a>
<span class="sourceLineNo">899</span>     * @return The range (or &lt;code&gt;null&lt;/code&gt; if the dataset is<a name="line.899"></a>
<span class="sourceLineNo">900</span>     *         &lt;code&gt;null&lt;/code&gt; or empty).<a name="line.900"></a>
<span class="sourceLineNo">901</span>     */<a name="line.901"></a>
<span class="sourceLineNo">902</span>    public Range findRangeBounds(CategoryDataset dataset,<a name="line.902"></a>
<span class="sourceLineNo">903</span>            boolean includeInterval) {<a name="line.903"></a>
<span class="sourceLineNo">904</span>        if (dataset == null) {<a name="line.904"></a>
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<span class="sourceLineNo">909</span>            if (this.includeBaseInRange) {<a name="line.909"></a>
<span class="sourceLineNo">910</span>                result = Range.expandToInclude(result, this.base);<a name="line.910"></a>
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<span class="sourceLineNo">916</span>    /**<a name="line.916"></a>
<span class="sourceLineNo">917</span>     * Returns a legend item for a series.<a name="line.917"></a>
<span class="sourceLineNo">918</span>     *<a name="line.918"></a>
<span class="sourceLineNo">919</span>     * @param datasetIndex  the dataset index (zero-based).<a name="line.919"></a>
<span class="sourceLineNo">920</span>     * @param series  the series index (zero-based).<a name="line.920"></a>
<span class="sourceLineNo">921</span>     *<a name="line.921"></a>
<span class="sourceLineNo">922</span>     * @return The legend item (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.922"></a>
<span class="sourceLineNo">923</span>     */<a name="line.923"></a>
<span class="sourceLineNo">924</span>    public LegendItem getLegendItem(int datasetIndex, int series) {<a name="line.924"></a>
<span class="sourceLineNo">925</span><a name="line.925"></a>
<span class="sourceLineNo">926</span>        CategoryPlot cp = getPlot();<a name="line.926"></a>
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<span class="sourceLineNo">930</span><a name="line.930"></a>
<span class="sourceLineNo">931</span>        // check that a legend item needs to be displayed...<a name="line.931"></a>
<span class="sourceLineNo">932</span>        if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {<a name="line.932"></a>
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<span class="sourceLineNo">936</span>        CategoryDataset dataset = cp.getDataset(datasetIndex);<a name="line.936"></a>
<span class="sourceLineNo">937</span>        String label = getLegendItemLabelGenerator().generateLabel(dataset,<a name="line.937"></a>
<span class="sourceLineNo">938</span>                series);<a name="line.938"></a>
<span class="sourceLineNo">939</span>        String description = label;<a name="line.939"></a>
<span class="sourceLineNo">940</span>        String toolTipText = null;<a name="line.940"></a>
<span class="sourceLineNo">941</span>        if (getLegendItemToolTipGenerator() != null) {<a name="line.941"></a>
<span class="sourceLineNo">942</span>            toolTipText = getLegendItemToolTipGenerator().generateLabel(<a name="line.942"></a>
<span class="sourceLineNo">943</span>                    dataset, series);<a name="line.943"></a>
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<span class="sourceLineNo">945</span>        String urlText = null;<a name="line.945"></a>
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<span class="sourceLineNo">948</span>                    series);<a name="line.948"></a>
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<span class="sourceLineNo">950</span>        Shape shape = lookupLegendShape(series);<a name="line.950"></a>
<span class="sourceLineNo">951</span>        Paint paint = lookupSeriesPaint(series);<a name="line.951"></a>
<span class="sourceLineNo">952</span>        Paint outlinePaint = lookupSeriesOutlinePaint(series);<a name="line.952"></a>
<span class="sourceLineNo">953</span>        Stroke outlineStroke = lookupSeriesOutlineStroke(series);<a name="line.953"></a>
<span class="sourceLineNo">954</span><a name="line.954"></a>
<span class="sourceLineNo">955</span>        LegendItem result = new LegendItem(label, description, toolTipText,<a name="line.955"></a>
<span class="sourceLineNo">956</span>                urlText, true, shape, true, paint, isDrawBarOutline(),<a name="line.956"></a>
<span class="sourceLineNo">957</span>                outlinePaint, outlineStroke, false, new Line2D.Float(),<a name="line.957"></a>
<span class="sourceLineNo">958</span>                new BasicStroke(1.0f), Color.black);<a name="line.958"></a>
<span class="sourceLineNo">959</span>        result.setLabelFont(lookupLegendTextFont(series));<a name="line.959"></a>
<span class="sourceLineNo">960</span>        Paint labelPaint = lookupLegendTextPaint(series);<a name="line.960"></a>
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<span class="sourceLineNo">962</span>            result.setLabelPaint(labelPaint);<a name="line.962"></a>
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<span class="sourceLineNo">964</span>        result.setDataset(dataset);<a name="line.964"></a>
<span class="sourceLineNo">965</span>        result.setDatasetIndex(datasetIndex);<a name="line.965"></a>
<span class="sourceLineNo">966</span>        result.setSeriesKey(dataset.getRowKey(series));<a name="line.966"></a>
<span class="sourceLineNo">967</span>        result.setSeriesIndex(series);<a name="line.967"></a>
<span class="sourceLineNo">968</span>        if (this.gradientPaintTransformer != null) {<a name="line.968"></a>
<span class="sourceLineNo">969</span>            result.setFillPaintTransformer(this.gradientPaintTransformer);<a name="line.969"></a>
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<span class="sourceLineNo">974</span>    /**<a name="line.974"></a>
<span class="sourceLineNo">975</span>     * Draws the bar for a single (series, category) data item.<a name="line.975"></a>
<span class="sourceLineNo">976</span>     *<a name="line.976"></a>
<span class="sourceLineNo">977</span>     * @param g2  the graphics device.<a name="line.977"></a>
<span class="sourceLineNo">978</span>     * @param state  the renderer state.<a name="line.978"></a>
<span class="sourceLineNo">979</span>     * @param dataArea  the data area.<a name="line.979"></a>
<span class="sourceLineNo">980</span>     * @param plot  the plot.<a name="line.980"></a>
<span class="sourceLineNo">981</span>     * @param domainAxis  the domain axis.<a name="line.981"></a>
<span class="sourceLineNo">982</span>     * @param rangeAxis  the range axis.<a name="line.982"></a>
<span class="sourceLineNo">983</span>     * @param dataset  the dataset.<a name="line.983"></a>
<span class="sourceLineNo">984</span>     * @param row  the row index (zero-based).<a name="line.984"></a>
<span class="sourceLineNo">985</span>     * @param column  the column index (zero-based).<a name="line.985"></a>
<span class="sourceLineNo">986</span>     * @param pass  the pass index.<a name="line.986"></a>
<span class="sourceLineNo">987</span>     */<a name="line.987"></a>
<span class="sourceLineNo">988</span>    public void drawItem(Graphics2D g2,<a name="line.988"></a>
<span class="sourceLineNo">989</span>                         CategoryItemRendererState state,<a name="line.989"></a>
<span class="sourceLineNo">990</span>                         Rectangle2D dataArea,<a name="line.990"></a>
<span class="sourceLineNo">991</span>                         CategoryPlot plot,<a name="line.991"></a>
<span class="sourceLineNo">992</span>                         CategoryAxis domainAxis,<a name="line.992"></a>
<span class="sourceLineNo">993</span>                         ValueAxis rangeAxis,<a name="line.993"></a>
<span class="sourceLineNo">994</span>                         CategoryDataset dataset,<a name="line.994"></a>
<span class="sourceLineNo">995</span>                         int row,<a name="line.995"></a>
<span class="sourceLineNo">996</span>                         int column,<a name="line.996"></a>
<span class="sourceLineNo">997</span>                         int pass) {<a name="line.997"></a>
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<span class="sourceLineNo">999</span>        // nothing is drawn if the row index is not included in the list with<a name="line.999"></a>
<span class="sourceLineNo">1000</span>        // the indices of the visible rows...<a name="line.1000"></a>
<span class="sourceLineNo">1001</span>        int visibleRow = state.getVisibleSeriesIndex(row);<a name="line.1001"></a>
<span class="sourceLineNo">1002</span>        if (visibleRow &lt; 0) {<a name="line.1002"></a>
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<span class="sourceLineNo">1005</span>        // nothing is drawn for null values...<a name="line.1005"></a>
<span class="sourceLineNo">1006</span>        Number dataValue = dataset.getValue(row, column);<a name="line.1006"></a>
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<span class="sourceLineNo">1012</span>        PlotOrientation orientation = plot.getOrientation();<a name="line.1012"></a>
<span class="sourceLineNo">1013</span>        double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis,<a name="line.1013"></a>
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<span class="sourceLineNo">1019</span><a name="line.1019"></a>
<span class="sourceLineNo">1020</span>        RectangleEdge edge = plot.getRangeAxisEdge();<a name="line.1020"></a>
<span class="sourceLineNo">1021</span>        double transL0 = rangeAxis.valueToJava2D(barL0L1[0], dataArea, edge);<a name="line.1021"></a>
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<span class="sourceLineNo">1023</span><a name="line.1023"></a>
<span class="sourceLineNo">1024</span>        // in the following code, barL0 is (in Java2D coordinates) the LEFT<a name="line.1024"></a>
<span class="sourceLineNo">1025</span>        // end of the bar for a horizontal bar chart, and the TOP end of the<a name="line.1025"></a>
<span class="sourceLineNo">1026</span>        // bar for a vertical bar chart.  Whether this is the BASE of the bar<a name="line.1026"></a>
<span class="sourceLineNo">1027</span>        // or not depends also on (a) whether the data value is 'negative'<a name="line.1027"></a>
<span class="sourceLineNo">1028</span>        // relative to the base value and (b) whether or not the range axis is<a name="line.1028"></a>
<span class="sourceLineNo">1029</span>        // inverted.  This only matters if/when we apply the minimumBarLength<a name="line.1029"></a>
<span class="sourceLineNo">1030</span>        // attribute, because we should extend the non-base end of the bar<a name="line.1030"></a>
<span class="sourceLineNo">1031</span>        boolean positive = (value &gt;= this.base);<a name="line.1031"></a>
<span class="sourceLineNo">1032</span>        boolean inverted = rangeAxis.isInverted();<a name="line.1032"></a>
<span class="sourceLineNo">1033</span>        double barL0 = Math.min(transL0, transL1);<a name="line.1033"></a>
<span class="sourceLineNo">1034</span>        double barLength = Math.abs(transL1 - transL0);<a name="line.1034"></a>
<span class="sourceLineNo">1035</span>        double barLengthAdj = 0.0;<a name="line.1035"></a>
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<span class="sourceLineNo">1039</span>        double barL0Adj = 0.0;<a name="line.1039"></a>
<span class="sourceLineNo">1040</span>        RectangleEdge barBase;<a name="line.1040"></a>
<span class="sourceLineNo">1041</span>        if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.1041"></a>
<span class="sourceLineNo">1042</span>            if (positive &amp;&amp; inverted || !positive &amp;&amp; !inverted) {<a name="line.1042"></a>
<span class="sourceLineNo">1043</span>                barL0Adj = barLengthAdj;<a name="line.1043"></a>
<span class="sourceLineNo">1044</span>                barBase = RectangleEdge.RIGHT;<a name="line.1044"></a>
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<span class="sourceLineNo">1047</span>                barBase = RectangleEdge.LEFT;<a name="line.1047"></a>
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<span class="sourceLineNo">1052</span>                barL0Adj = barLengthAdj;<a name="line.1052"></a>
<span class="sourceLineNo">1053</span>                barBase = RectangleEdge.BOTTOM;<a name="line.1053"></a>
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<span class="sourceLineNo">1056</span>                barBase = RectangleEdge.TOP;<a name="line.1056"></a>
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<span class="sourceLineNo">1059</span><a name="line.1059"></a>
<span class="sourceLineNo">1060</span>        // draw the bar...<a name="line.1060"></a>
<span class="sourceLineNo">1061</span>        Rectangle2D bar = null;<a name="line.1061"></a>
<span class="sourceLineNo">1062</span>        if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.1062"></a>
<span class="sourceLineNo">1063</span>            bar = new Rectangle2D.Double(barL0 - barL0Adj, barW0,<a name="line.1063"></a>
<span class="sourceLineNo">1064</span>                    barLength + barLengthAdj, state.getBarWidth());<a name="line.1064"></a>
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<span class="sourceLineNo">1068</span>                    state.getBarWidth(), barLength + barLengthAdj);<a name="line.1068"></a>
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<span class="sourceLineNo">1070</span>        if (getShadowsVisible()) {<a name="line.1070"></a>
<span class="sourceLineNo">1071</span>            this.barPainter.paintBarShadow(g2, this, row, column, bar, barBase,<a name="line.1071"></a>
<span class="sourceLineNo">1072</span>                true);<a name="line.1072"></a>
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<span class="sourceLineNo">1074</span>        this.barPainter.paintBar(g2, this, row, column, bar, barBase);<a name="line.1074"></a>
<span class="sourceLineNo">1075</span><a name="line.1075"></a>
<span class="sourceLineNo">1076</span>        CategoryItemLabelGenerator generator = getItemLabelGenerator(row,<a name="line.1076"></a>
<span class="sourceLineNo">1077</span>                column);<a name="line.1077"></a>
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<span class="sourceLineNo">1080</span>                    (value &lt; 0.0));<a name="line.1080"></a>
<span class="sourceLineNo">1081</span>        }<a name="line.1081"></a>
<span class="sourceLineNo">1082</span><a name="line.1082"></a>
<span class="sourceLineNo">1083</span>        // submit the current data point as a crosshair candidate<a name="line.1083"></a>
<span class="sourceLineNo">1084</span>        int datasetIndex = plot.indexOf(dataset);<a name="line.1084"></a>
<span class="sourceLineNo">1085</span>        updateCrosshairValues(state.getCrosshairState(),<a name="line.1085"></a>
<span class="sourceLineNo">1086</span>                dataset.getRowKey(row), dataset.getColumnKey(column), value,<a name="line.1086"></a>
<span class="sourceLineNo">1087</span>                datasetIndex, barW0, barL0, orientation);<a name="line.1087"></a>
<span class="sourceLineNo">1088</span><a name="line.1088"></a>
<span class="sourceLineNo">1089</span>        // add an item entity, if this information is being collected<a name="line.1089"></a>
<span class="sourceLineNo">1090</span>        EntityCollection entities = state.getEntityCollection();<a name="line.1090"></a>
<span class="sourceLineNo">1091</span>        if (entities != null) {<a name="line.1091"></a>
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<span class="sourceLineNo">1094</span><a name="line.1094"></a>
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<span class="sourceLineNo">1096</span><a name="line.1096"></a>
<span class="sourceLineNo">1097</span>    /**<a name="line.1097"></a>
<span class="sourceLineNo">1098</span>     * Calculates the available space for each series.<a name="line.1098"></a>
<span class="sourceLineNo">1099</span>     *<a name="line.1099"></a>
<span class="sourceLineNo">1100</span>     * @param space  the space along the entire axis (in Java2D units).<a name="line.1100"></a>
<span class="sourceLineNo">1101</span>     * @param axis  the category axis.<a name="line.1101"></a>
<span class="sourceLineNo">1102</span>     * @param categories  the number of categories.<a name="line.1102"></a>
<span class="sourceLineNo">1103</span>     * @param series  the number of series.<a name="line.1103"></a>
<span class="sourceLineNo">1104</span>     *<a name="line.1104"></a>
<span class="sourceLineNo">1105</span>     * @return The width of one series.<a name="line.1105"></a>
<span class="sourceLineNo">1106</span>     */<a name="line.1106"></a>
<span class="sourceLineNo">1107</span>    protected double calculateSeriesWidth(double space, CategoryAxis axis,<a name="line.1107"></a>
<span class="sourceLineNo">1108</span>                                          int categories, int series) {<a name="line.1108"></a>
<span class="sourceLineNo">1109</span>        double factor = 1.0 - getItemMargin() - axis.getLowerMargin()<a name="line.1109"></a>
<span class="sourceLineNo">1110</span>                            - axis.getUpperMargin();<a name="line.1110"></a>
<span class="sourceLineNo">1111</span>        if (categories &gt; 1) {<a name="line.1111"></a>
<span class="sourceLineNo">1112</span>            factor = factor - axis.getCategoryMargin();<a name="line.1112"></a>
<span class="sourceLineNo">1113</span>        }<a name="line.1113"></a>
<span class="sourceLineNo">1114</span>        return (space * factor) / (categories * series);<a name="line.1114"></a>
<span class="sourceLineNo">1115</span>    }<a name="line.1115"></a>
<span class="sourceLineNo">1116</span><a name="line.1116"></a>
<span class="sourceLineNo">1117</span>    /**<a name="line.1117"></a>
<span class="sourceLineNo">1118</span>     * Draws an item label.  This method is overridden so that the bar can be<a name="line.1118"></a>
<span class="sourceLineNo">1119</span>     * used to calculate the label anchor point.<a name="line.1119"></a>
<span class="sourceLineNo">1120</span>     *<a name="line.1120"></a>
<span class="sourceLineNo">1121</span>     * @param g2  the graphics device.<a name="line.1121"></a>
<span class="sourceLineNo">1122</span>     * @param data  the dataset.<a name="line.1122"></a>
<span class="sourceLineNo">1123</span>     * @param row  the row.<a name="line.1123"></a>
<span class="sourceLineNo">1124</span>     * @param column  the column.<a name="line.1124"></a>
<span class="sourceLineNo">1125</span>     * @param plot  the plot.<a name="line.1125"></a>
<span class="sourceLineNo">1126</span>     * @param generator  the label generator.<a name="line.1126"></a>
<span class="sourceLineNo">1127</span>     * @param bar  the bar.<a name="line.1127"></a>
<span class="sourceLineNo">1128</span>     * @param negative  a flag indicating a negative value.<a name="line.1128"></a>
<span class="sourceLineNo">1129</span>     */<a name="line.1129"></a>
<span class="sourceLineNo">1130</span>    protected void drawItemLabel(Graphics2D g2,<a name="line.1130"></a>
<span class="sourceLineNo">1131</span>                                 CategoryDataset data,<a name="line.1131"></a>
<span class="sourceLineNo">1132</span>                                 int row,<a name="line.1132"></a>
<span class="sourceLineNo">1133</span>                                 int column,<a name="line.1133"></a>
<span class="sourceLineNo">1134</span>                                 CategoryPlot plot,<a name="line.1134"></a>
<span class="sourceLineNo">1135</span>                                 CategoryItemLabelGenerator generator,<a name="line.1135"></a>
<span class="sourceLineNo">1136</span>                                 Rectangle2D bar,<a name="line.1136"></a>
<span class="sourceLineNo">1137</span>                                 boolean negative) {<a name="line.1137"></a>
<span class="sourceLineNo">1138</span><a name="line.1138"></a>
<span class="sourceLineNo">1139</span>        String label = generator.generateLabel(data, row, column);<a name="line.1139"></a>
<span class="sourceLineNo">1140</span>        if (label == null) {<a name="line.1140"></a>
<span class="sourceLineNo">1141</span>            return;  // nothing to do<a name="line.1141"></a>
<span class="sourceLineNo">1142</span>        }<a name="line.1142"></a>
<span class="sourceLineNo">1143</span><a name="line.1143"></a>
<span class="sourceLineNo">1144</span>        Font labelFont = getItemLabelFont(row, column);<a name="line.1144"></a>
<span class="sourceLineNo">1145</span>        g2.setFont(labelFont);<a name="line.1145"></a>
<span class="sourceLineNo">1146</span>        Paint paint = getItemLabelPaint(row, column);<a name="line.1146"></a>
<span class="sourceLineNo">1147</span>        g2.setPaint(paint);<a name="line.1147"></a>
<span class="sourceLineNo">1148</span><a name="line.1148"></a>
<span class="sourceLineNo">1149</span>        // find out where to place the label...<a name="line.1149"></a>
<span class="sourceLineNo">1150</span>        ItemLabelPosition position = null;<a name="line.1150"></a>
<span class="sourceLineNo">1151</span>        if (!negative) {<a name="line.1151"></a>
<span class="sourceLineNo">1152</span>            position = getPositiveItemLabelPosition(row, column);<a name="line.1152"></a>
<span class="sourceLineNo">1153</span>        }<a name="line.1153"></a>
<span class="sourceLineNo">1154</span>        else {<a name="line.1154"></a>
<span class="sourceLineNo">1155</span>            position = getNegativeItemLabelPosition(row, column);<a name="line.1155"></a>
<span class="sourceLineNo">1156</span>        }<a name="line.1156"></a>
<span class="sourceLineNo">1157</span><a name="line.1157"></a>
<span class="sourceLineNo">1158</span>        // work out the label anchor point...<a name="line.1158"></a>
<span class="sourceLineNo">1159</span>        Point2D anchorPoint = calculateLabelAnchorPoint(<a name="line.1159"></a>
<span class="sourceLineNo">1160</span>                position.getItemLabelAnchor(), bar, plot.getOrientation());<a name="line.1160"></a>
<span class="sourceLineNo">1161</span><a name="line.1161"></a>
<span class="sourceLineNo">1162</span>        if (isInternalAnchor(position.getItemLabelAnchor())) {<a name="line.1162"></a>
<span class="sourceLineNo">1163</span>            Shape bounds = TextUtilities.calculateRotatedStringBounds(label,<a name="line.1163"></a>
<span class="sourceLineNo">1164</span>                    g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),<a name="line.1164"></a>
<span class="sourceLineNo">1165</span>                    position.getTextAnchor(), position.getAngle(),<a name="line.1165"></a>
<span class="sourceLineNo">1166</span>                    position.getRotationAnchor());<a name="line.1166"></a>
<span class="sourceLineNo">1167</span><a name="line.1167"></a>
<span class="sourceLineNo">1168</span>            if (bounds != null) {<a name="line.1168"></a>
<span class="sourceLineNo">1169</span>                if (!bar.contains(bounds.getBounds2D())) {<a name="line.1169"></a>
<span class="sourceLineNo">1170</span>                    if (!negative) {<a name="line.1170"></a>
<span class="sourceLineNo">1171</span>                        position = getPositiveItemLabelPositionFallback();<a name="line.1171"></a>
<span class="sourceLineNo">1172</span>                    }<a name="line.1172"></a>
<span class="sourceLineNo">1173</span>                    else {<a name="line.1173"></a>
<span class="sourceLineNo">1174</span>                        position = getNegativeItemLabelPositionFallback();<a name="line.1174"></a>
<span class="sourceLineNo">1175</span>                    }<a name="line.1175"></a>
<span class="sourceLineNo">1176</span>                    if (position != null) {<a name="line.1176"></a>
<span class="sourceLineNo">1177</span>                        anchorPoint = calculateLabelAnchorPoint(<a name="line.1177"></a>
<span class="sourceLineNo">1178</span>                                position.getItemLabelAnchor(), bar,<a name="line.1178"></a>
<span class="sourceLineNo">1179</span>                                plot.getOrientation());<a name="line.1179"></a>
<span class="sourceLineNo">1180</span>                    }<a name="line.1180"></a>
<span class="sourceLineNo">1181</span>                }<a name="line.1181"></a>
<span class="sourceLineNo">1182</span>            }<a name="line.1182"></a>
<span class="sourceLineNo">1183</span><a name="line.1183"></a>
<span class="sourceLineNo">1184</span>        }<a name="line.1184"></a>
<span class="sourceLineNo">1185</span><a name="line.1185"></a>
<span class="sourceLineNo">1186</span>        if (position != null) {<a name="line.1186"></a>
<span class="sourceLineNo">1187</span>            TextUtilities.drawRotatedString(label, g2,<a name="line.1187"></a>
<span class="sourceLineNo">1188</span>                    (float) anchorPoint.getX(), (float) anchorPoint.getY(),<a name="line.1188"></a>
<span class="sourceLineNo">1189</span>                    position.getTextAnchor(), position.getAngle(),<a name="line.1189"></a>
<span class="sourceLineNo">1190</span>                    position.getRotationAnchor());<a name="line.1190"></a>
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<span class="sourceLineNo">1192</span>    }<a name="line.1192"></a>
<span class="sourceLineNo">1193</span><a name="line.1193"></a>
<span class="sourceLineNo">1194</span>    /**<a name="line.1194"></a>
<span class="sourceLineNo">1195</span>     * Calculates the item label anchor point.<a name="line.1195"></a>
<span class="sourceLineNo">1196</span>     *<a name="line.1196"></a>
<span class="sourceLineNo">1197</span>     * @param anchor  the anchor.<a name="line.1197"></a>
<span class="sourceLineNo">1198</span>     * @param bar  the bar.<a name="line.1198"></a>
<span class="sourceLineNo">1199</span>     * @param orientation  the plot orientation.<a name="line.1199"></a>
<span class="sourceLineNo">1200</span>     *<a name="line.1200"></a>
<span class="sourceLineNo">1201</span>     * @return The anchor point.<a name="line.1201"></a>
<span class="sourceLineNo">1202</span>     */<a name="line.1202"></a>
<span class="sourceLineNo">1203</span>    private Point2D calculateLabelAnchorPoint(ItemLabelAnchor anchor,<a name="line.1203"></a>
<span class="sourceLineNo">1204</span>                                              Rectangle2D bar,<a name="line.1204"></a>
<span class="sourceLineNo">1205</span>                                              PlotOrientation orientation) {<a name="line.1205"></a>
<span class="sourceLineNo">1206</span><a name="line.1206"></a>
<span class="sourceLineNo">1207</span>        Point2D result = null;<a name="line.1207"></a>
<span class="sourceLineNo">1208</span>        double offset = getItemLabelAnchorOffset();<a name="line.1208"></a>
<span class="sourceLineNo">1209</span>        double x0 = bar.getX() - offset;<a name="line.1209"></a>
<span class="sourceLineNo">1210</span>        double x1 = bar.getX();<a name="line.1210"></a>
<span class="sourceLineNo">1211</span>        double x2 = bar.getX() + offset;<a name="line.1211"></a>
<span class="sourceLineNo">1212</span>        double x3 = bar.getCenterX();<a name="line.1212"></a>
<span class="sourceLineNo">1213</span>        double x4 = bar.getMaxX() - offset;<a name="line.1213"></a>
<span class="sourceLineNo">1214</span>        double x5 = bar.getMaxX();<a name="line.1214"></a>
<span class="sourceLineNo">1215</span>        double x6 = bar.getMaxX() + offset;<a name="line.1215"></a>
<span class="sourceLineNo">1216</span><a name="line.1216"></a>
<span class="sourceLineNo">1217</span>        double y0 = bar.getMaxY() + offset;<a name="line.1217"></a>
<span class="sourceLineNo">1218</span>        double y1 = bar.getMaxY();<a name="line.1218"></a>
<span class="sourceLineNo">1219</span>        double y2 = bar.getMaxY() - offset;<a name="line.1219"></a>
<span class="sourceLineNo">1220</span>        double y3 = bar.getCenterY();<a name="line.1220"></a>
<span class="sourceLineNo">1221</span>        double y4 = bar.getMinY() + offset;<a name="line.1221"></a>
<span class="sourceLineNo">1222</span>        double y5 = bar.getMinY();<a name="line.1222"></a>
<span class="sourceLineNo">1223</span>        double y6 = bar.getMinY() - offset;<a name="line.1223"></a>
<span class="sourceLineNo">1224</span><a name="line.1224"></a>
<span class="sourceLineNo">1225</span>        if (anchor == ItemLabelAnchor.CENTER) {<a name="line.1225"></a>
<span class="sourceLineNo">1226</span>            result = new Point2D.Double(x3, y3);<a name="line.1226"></a>
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<span class="sourceLineNo">1414</span>}<a name="line.1414"></a>




























































</pre>
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